:root{
  --bg:#0b1016;
  --panel:#111822;
  --text:#e7edf3;
  --muted:#9fb2c3;
  --brand:#00c4b3;
  --accent:#f29d38;
}

*{box-sizing:border-box}
html,body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font:16px/1.6 system-ui,Segoe UI,Roboto,Inter,Arial;
}
a{color:var(--brand);text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
.wrap.narrow{max-width:720px}

/* --- Header and Logo --- */
.site-header{
  background-color:#013b33;
  border-bottom:1px solid #1c2733;
  position:sticky;
  top:0;
  z-index:1000;
  box-shadow:0 2px 8px rgba(0,0,0,0.4);
}
.header-bar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  height:80px;
}
.logo-section{
  display:flex;
  align-items:center;
  gap:14px;
}
.logo-hero{
  height:85px;
  width:auto;
  transition:transform .3s ease,filter .3s ease;
  border-radius:12px;
}
.logo-hero:hover{
  transform:scale(1.05);
  filter:drop-shadow(0 0 10px rgba(0,255,200,0.4));
}
.brand{
  font-size:1.8rem;
  font-weight:700;
  color:white;
  letter-spacing:.5px;
}
.main-nav a{
  color:var(--brand);
  margin-left:18px;
  font-weight:500;
  transition:color .2s ease;
}
.main-nav a:hover{color:#fff}
.main-nav .cta{
  padding:8px 14px;
  border:1px solid var(--brand);
  border-radius:10px;
}

/* --- Hero --- */
.hero{
  padding:80px 0;
  background:linear-gradient(135deg,rgba(0,196,179,.12),rgba(242,157,56,.10));
}
.hero h1{font-size:44px;line-height:1.1;margin:0 0 12px}
.hero p{max-width:760px;color:var(--muted)}
.buttons{margin-top:16px}
.btn{
  display:inline-block;
  background:var(--brand);
  color:#061017;
  padding:12px 18px;
  border-radius:12px;
  font-weight:700;
}
.btn.ghost{background:transparent;border:1px solid var(--brand);color:var(--text)}
.btn.block{display:block;text-align:center}

/* --- Cards --- */
.cards{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
  margin:40px auto;
}
.cards article{
  background:var(--panel);
  border:1px solid #1c2733;
  border-radius:16px;
  padding:18px;
}

/* --- Layout --- */
.two-col{
  display:grid;
  grid-template-columns:2fr 1fr;
  gap:22px;
  margin:40px auto;
}
.panel{
  background:var(--panel);
  border:1px solid #1c2733;
  border-radius:16px;
  padding:18px;
}

/* --- Lists --- */
.checklist{list-style:none;padding:0;margin:0}
.checklist li{
  padding-left:26px;
  position:relative;
  margin:8px 0;
}
.checklist li::before{
  content:"✓";
  position:absolute;
  left:0;
  color:var(--accent);
}

/* --- Forms --- */
.form{display:grid;gap:12px;margin-top:12px}
.form input,.form textarea{
  width:100%;
  padding:12px;
  border-radius:10px;
  border:1px solid #243241;
  background:#0f1620;
  color:var(--text);
}
.form button{margin-top:6px}
.fineprint{color:var(--muted);font-size:14px}

/* --- Footer --- */
.site-footer{
  border-top:1px solid #1c2733;
  margin-top:40px;
}
.site-footer .wrap{
  padding:26px 20px;
  text-align:center;
}

/* --- Responsive --- */
@media (max-width:900px){
  .cards{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .hero h1{font-size:34px}
  .logo-hero{height:70px}
}